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linux/arch/arm/include/asm
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Steve Capper b8cd51afe0 arm: mm: enable RCU fast_gup 
Activate the RCU fast_gup for ARM.  We also need to force THP splits to
broadcast an IPI s.t.  we block in the fast_gup page walker.  As THP
splits are comparatively rare, this should not lead to a noticeable
performance degradation.

Some pre-requisite functions pud_write and pud_page are also added.

Signed-off-by: Steve Capper <steve.capper@linaro.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dann Frazier <dann.frazier@canonical.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-10-09 22:26:01 -04:00
..
crypto
ARM: 8119/1: crypto: sha1: add ARM NEON implementation
2014-08-02 08:51:47 +01:00
hardware
ARM: l2c: trial at enabling some Cortex-A9 optimisations
2014-05-30 00:50:41 +01:00
mach
arm: Add devicetree fixup machine function
2014-07-29 21:26:49 -06:00
xen
xen/arm: remove mach_to_phys rbtree
2014-09-11 18:11:53 +00:00
arch_timer.h
clocksource: arm_arch_timer: Consolidate arch_timer_evtstrm_enable
2014-09-29 01:59:26 +02:00
asm-offsets.h
…
assembler.h
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
atomic.h
arch,arm: Convert smp_mb__*()
2014-04-18 11:40:32 +02:00
barrier.h
arch,arm: Convert smp_mb__*()
2014-04-18 11:40:32 +02:00
bitops.h
arch,arm: Convert smp_mb__*()
2014-04-18 11:40:32 +02:00
bL_switcher.h
ARM: bL_switcher: Add query interface to discover CPU affinities
2013-09-23 18:47:31 -04:00
bug.h
ARM: Correct BUG() assembly to ensure it is endian-agnostic
2013-10-19 20:46:35 +01:00
bugs.h
…
cache.h
…
cacheflush.h
ARM: 8177/1: cacheflush: Fix v7_exit_coherency_flush exynos build breakage on ARMv6
2014-09-30 16:55:22 +01:00
cachetype.h
…
checksum.h
ARM: fix csum_tcpudp_magic() miscompilation
2013-12-29 12:32:41 +00:00
clkdev.h
clk: Add common __clk_get(), __clk_put() implementations
2013-12-04 17:19:44 +01:00
cmpxchg.h
ARM: 7984/1: prefetch: add prefetchw invocations for barriered atomics
2014-02-25 11:30:20 +00:00
compiler.h
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
cp15.h
ARM: remove global cr_no_alignment
2014-06-02 09:20:18 +01:00
cpu.h
ARM: kernel: add MIDR to per-CPU information data
2012-11-19 14:51:11 +00:00
cpuidle.h
cpuidle: Add common time keeping and irq enabling
2012-03-21 01:59:40 -04:00
cputype.h
ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part number
2014-08-27 15:40:45 +01:00
cti.h
ARM: coresight: common definition for (OS) Lock Access Register key value
2013-01-10 21:13:05 +00:00
dcc.h
ARM: tty: Move HVC DCC assembly to arch/arm
2014-05-28 13:33:18 -07:00
delay.h
ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
2013-04-03 16:45:50 +01:00
device.h
ARM: dma-mapping: Add macro to_dma_iommu_mapping()
2013-02-25 15:30:41 +01:00
div64.h
ARM: 8027/1: fix do_div() bug in big-endian systems
2014-04-22 22:23:57 +01:00
dma-contiguous.h
drivers: dma-contiguous: clean source code and prepare for device tree
2013-08-27 09:18:29 +02:00
dma-iommu.h
arm: dma-iommu: Clean up redundant variable
2014-05-20 13:43:26 +02:00
dma-mapping.h
ARM: dma: implement set_arch_dma_coherent_ops()
2014-05-07 09:21:44 -04:00
dma.h
mm/memblock: add memblock memory allocation apis
2014-01-21 16:19:46 -08:00
domain.h
ARM: fix set_domain() macro
2012-07-05 09:50:55 +01:00
ecard.h
…
edac.h
…
elf.h
ARM: 8127/1: module: add support for R_ARM_TARGET1 relocations
2014-08-27 15:40:11 +01:00
entry-macro-multi.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
exception.h
…
fb.h
…
fiq.h
…
firmware.h
ARM: firmware: add prepare_idle() operation
2014-02-18 13:46:42 -07:00
fixmap.h
ARM: 8031/2: change fixmap mapping region to support 32 CPUs
2014-04-23 11:09:42 +01:00
flat.h
ARM: binfmt_flat: unused variable 'persistent'
2012-10-09 20:29:06 +02:00
floppy.h
ARM: 7996/1: floppy.h: remove deprecated IRQF_DISABLED
2014-03-12 10:32:29 +00:00
fncpy.h
…
fpstate.h
…
ftrace.h
ARM: 8158/1: LLVMLinux: use static inline in ARM ftrace.h
2014-09-26 14:40:03 +01:00
futex.h
ARM: 7984/1: prefetch: add prefetchw invocations for barriered atomics
2014-02-25 11:30:20 +00:00
glue-cache.h
ARM: LLVMLinux: Change "extern inline" to "static inline" in glue-cache.h
2014-06-07 11:44:39 -07:00
glue-df.h
ARM: 8065/1: remove last use of CONFIG_CPU_ARM710
2014-05-30 01:12:30 +01:00
glue-pf.h
…
glue-proc.h
ARM: 8103/1: save/restore Cortex-A9 CP15 registers on suspend/resume
2014-07-18 12:29:37 +01:00
glue.h
…
gpio.h
ARM: delete old reference to ARM_GPIOLIB_COMPLEX
2014-06-30 21:37:39 +02:00
hardirq.h
Merge branch 'devel-stable' into for-next
2013-11-12 10:58:59 +00:00
highmem.h
ARM: 8031/2: change fixmap mapping region to support 32 CPUs
2014-04-23 11:09:42 +01:00
hugetlb-3level.h
ARM: mm: HugeTLB support for LPAE systems.
2013-06-04 16:52:37 +01:00
hugetlb.h
ARM: mm: HugeTLB support for LPAE systems.
2013-06-04 16:52:37 +01:00
hw_breakpoint.h
ARM: 7948/1: hw_breakpoint: Add ARMv8 support
2014-02-10 11:48:05 +00:00
hw_irq.h
…
hwcap.h
ARM: 7981/1: add support for AT_HWCAP2 ELF auxv entry
2014-02-25 11:40:48 +00:00
hypervisor.h
arm: initial Xen support
2012-09-14 13:53:39 +00:00
ide.h
…
idmap.h
ARM: KVM: move to a KVM provided HYP idmap
2013-04-28 22:23:08 -07:00
io.h
ARM: 8060/1: mm: allow sub-architectures to override PCI I/O memory type
2014-06-01 01:15:04 +01:00
irq_work.h
arm: Tell irq work about self IPI support
2014-09-13 18:38:39 +02:00
irq.h
arm: Move the set_handle_irq and handle_arch_irq declarations to asm/irq.h
2013-03-26 16:11:20 +00:00
irqflags.h
ARM: Add base support for ARMv7-M
2013-04-17 21:38:10 +02:00
jump_label.h
ARM: 7989/1: Delete asm/system.h
2014-02-25 11:33:37 +00:00
Kbuild
arm: Tell irq work about self IPI support
2014-09-13 18:38:39 +02:00
kexec.h
…
kgdb.h
ARM: kdgb: use <asm/opcodes.h> for data to be assembled as intruction
2013-10-19 20:46:35 +01:00
kmap_types.h
arm: remove km_type definitions
2012-07-24 15:27:28 +08:00
kprobes.h
ARM: Make arch_specific_insn a define for new arch_probes_insn structure
2014-03-18 16:39:40 -04:00
kvm_arm.h
ARM: KVM: trap VM system registers until MMU and caches are ON
2014-03-03 01:15:24 +00:00
kvm_asm.h
ARM: KVM: handle 64bit values passed to mrcc or from mcrr instructions in BE case
2014-07-11 04:57:38 -07:00
kvm_coproc.h
KVM: ARM: User space API for getting/setting co-proc registers
2013-01-23 13:29:14 -05:00
kvm_emulate.h
arm/arm64: KVM: Report correct FSC for unsupported fault types
2014-09-26 14:39:45 +02:00
kvm_host.h
Merge tag 'kvm-arm-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next
2014-09-27 11:03:33 +02:00
kvm_mmio.h
KVM: ARM: Handle I/O aborts
2013-01-23 13:29:17 -05:00
kvm_mmu.h
ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
2014-09-11 11:31:13 +01:00
kvm_psci.h
ARM/ARM64: KVM: Make kvm_psci_call() return convention more flexible
2014-04-30 04:18:57 -07:00
limits.h
…
linkage.h
…
mach-types.h
…
mc146818rtc.h
ARM: mc146818rtc: remove unnecessary include of mach/irqs.h
2012-01-25 20:37:45 -06:00
mcpm.h
ARM: mcpm: support 4 clusters
2014-09-03 14:09:58 +01:00
mcs_spinlock.h
ARM: 8098/1: mcs lock: implement wfe-based polling for MCS locking
2014-07-18 12:29:35 +01:00
memblock.h
ARM: 8025/1: Get rid of meminfo
2014-06-01 01:17:12 +01:00
memory.h
Merge branch 'devel-stable' into for-next
2014-08-05 10:27:25 +01:00
mmu_context.h
ARM: 7790/1: Fix deferred mm switch on VIVT processors
2013-07-26 12:02:09 +01:00
mmu.h
ARM: tlb: ASID macro should give 32bit result for BE correct operation
2013-10-19 20:46:36 +01:00
module.h
ARM: 7829/1: Add ".text.unlikely" and ".text.hot" to arm unwind tables
2013-09-02 13:49:47 +01:00
mpu.h
ARM: mpu: protect the vectors page with an MPU region
2013-06-17 15:13:18 +01:00
mtd-xip.h
…
mutex.h
ARM: 7495/1: mutex: use generic atomic_dec-based implementation for ARMv6+
2012-08-25 09:22:31 +01:00
neon.h
ARM: add support for kernel mode NEON
2013-07-08 22:08:51 +01:00
nwflash.h
…
opcodes-sec.h
ARM: opcodes: add opcodes definitions for ARM security extensions
2013-01-10 21:10:20 +00:00
opcodes-virt.h
ARM: opcodes: add __ERET/__MSR_ELR_HYP instruction encoding
2012-09-19 08:32:49 +01:00
opcodes.h
ARM: opcodes: add missing include of linux/linkage.h
2013-01-10 21:10:20 +00:00
outercache.h
ARM: l2c: remove old .set_debug method
2014-05-30 00:50:35 +01:00
page-nommu.h
…
page.h
ARM: make vectors page inaccessible from userspace
2013-08-01 14:31:58 +01:00
pci.h
PCI: Turn pcibios_penalize_isa_irq() into a weak function
2014-05-27 16:23:58 -06:00
percpu.h
ARM: 7747/1: pcpu: ensure __my_cpu_offset cannot be re-ordered across barrier()
2013-06-05 23:35:56 +01:00
perf_event.h
arm: perf: move event map macros to pmu.h
2014-07-02 15:46:37 +01:00
pgalloc.h
arm: handle pgtable_page_ctor() fail
2013-11-15 09:32:16 +09:00
pgtable-2level-hwdef.h
…
pgtable-2level-types.h
…
pgtable-2level.h
arm: mm: introduce special ptes for LPAE
2014-10-09 22:26:00 -04:00
pgtable-3level-hwdef.h
ARM: 8109/1: mm: Modify pte_write and pmd_write logic for LPAE
2014-07-24 14:27:08 +01:00
pgtable-3level-types.h
…
pgtable-3level.h
arm: mm: enable RCU fast_gup
2014-10-09 22:26:01 -04:00
pgtable-hwdef.h
…
pgtable-nommu.h
consolidate io_remap_pfn_range definitions
2013-06-29 12:46:35 +04:00
pgtable.h
arm: mm: introduce special ptes for LPAE
2014-10-09 22:26:00 -04:00
pmu.h
arm: perf: add macros for empty event mappings
2014-07-02 15:47:01 +01:00
probes.h
ARM: Make arch_specific_insn a define for new arch_probes_insn structure
2014-03-18 16:39:40 -04:00
proc-fns.h
Merge branch 'for-rmk/lpae' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
2013-06-18 20:11:32 +01:00
processor.h
arch, locking: Ciao arch_mutex_cpu_relax()
2014-07-17 12:32:47 +02:00
procinfo.h
…
prom.h
of/fdt: move memreserve and dtb memory reservations into core
2014-04-30 00:59:17 -05:00
psci.h
arm: Fix compile warning for psci
2014-05-27 15:58:49 +02:00
ptrace.h
ARM: 8070/1: Introduce arm_get_current_stack_frame()
2014-07-18 12:29:11 +01:00
seccomp.h
…
setup.h
ARM: 8025/1: Get rid of meminfo
2014-06-01 01:17:12 +01:00
shmparam.h
…
signal.h
arm: switch to generic old sigaction()
2013-02-03 18:15:47 -05:00
smp_plat.h
ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part number
2014-08-27 15:40:45 +01:00
smp_scu.h
ARM: make it easier to check the CPU part number correctly
2014-07-18 12:29:02 +01:00
smp_twd.h
ARM: smp_twd: convert to use CLKSRC_OF init
2013-03-11 08:42:08 -05:00
smp.h
ARM: 8131/1: arm/smp: Absorb boot_secondary()
2014-08-27 15:44:13 +01:00
sparsemem.h
…
spinlock_types.h
ARM: locks: prefetch the destination word for write prior to strex
2013-09-30 16:42:55 +01:00
spinlock.h
ARM: 7955/1: spinlock: ensure we have a compiler barrier before sev
2014-02-10 11:44:50 +00:00
stackprotector.h
…
stacktrace.h
ARM: 8070/1: Introduce arm_get_current_stack_frame()
2014-07-18 12:29:11 +01:00
string.h
…
suspend.h
ARM: kernel: implement stack pointer save array through MPIDR hashing
2013-06-20 11:24:11 +01:00
swab.h
UAPI: (Scripted) Disintegrate arch/arm/include/asm
2012-10-12 13:05:52 +01:00
switch_to.h
ARM: spinlock: use inner-shareable dsb variant prior to sev instruction
2013-08-12 12:25:45 +01:00
sync_bitops.h
ARM: 7989/1: Delete asm/system.h
2014-02-25 11:33:37 +00:00
syscall.h
ARM: 8152/1: Convert pr_warning to pr_warn
2014-09-26 14:39:53 +01:00
system_info.h
ARM: Add base support for ARMv7-M
2013-04-17 21:38:10 +02:00
system_misc.h
reboot: arm: change reboot_mode to use enum reboot_mode
2013-07-09 10:33:29 -07:00
tcm.h
…
therm.h
…
thread_info.h
ARM: 8078/1: get rid of hardcoded assumptions about kernel stack size
2014-07-01 15:05:47 +01:00
thread_notify.h
…
timex.h
ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
2013-12-20 17:17:16 +01:00
tlb.h
arm: mm: enable HAVE_RCU_TABLE_FREE logic
2014-10-09 22:26:01 -04:00
tlbflush.h
ARM: 7855/1: Add check for Cortex-A15 errata 798181 ECO
2013-10-29 11:06:13 +00:00
tls.h
ARM: 8178/1: fix set_tls for !CONFIG_KUSER_HELPERS
2014-09-30 16:55:23 +01:00
topology.h
sched: Remove unused mc_capable() and smt_capable()
2014-03-11 12:05:45 +01:00
traps.h
ARM: earlier initialization of vectors page
2012-01-23 10:24:11 +00:00
trusted_foundations.h
ARM: trusted_foundations: fix compile error on non-SMP
2014-05-23 21:28:11 +02:00
types.h
ARM: 7822/1: add workaround for ambiguous C99 stdint.h types
2013-08-25 17:09:46 +01:00
uaccess.h
ARM: 8137/1: fix get_user BE behavior for target variable with size of 8 bytes
2014-09-12 17:38:59 +01:00
ucontext.h
…
unified.h
ARM: smp_on_up: move inline asm ALT_SMP patching macro out of spinlock.h
2013-09-30 16:42:55 +01:00
unistd.h
ARM: wire up getrandom syscall
2014-08-09 14:07:53 +01:00
unwind.h
…
uprobes.h
ARM: add uprobes support
2014-03-18 16:39:40 -04:00
user.h
…
v7m.h
ARM: 7828/1: ARMv7-M: implement restart routine common to all v7-M machines
2013-09-02 13:49:29 +01:00
vfp.h
…
vfpmacros.h
ARM: 7566/1: vfp: fix save and restore when running on pre-VFPv3 and CONFIG_VFPv3 set
2012-10-29 10:04:05 +00:00
vga.h
…
virt.h
ARM: 7787/1: virt: ensure visibility of __boot_cpu_mode
2013-07-26 12:01:17 +01:00
word-at-a-time.h
ARM: 7927/1: dcache: select DCACHE_WORD_ACCESS for big-endian CPUs
2013-12-29 12:46:50 +00:00
xor.h
ARM: crypto: add NEON accelerated XOR implementation
2013-07-08 22:09:06 +01:00